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Museum restoration of 8800
I am starting the restoration of an Altair 8800 for the Goodwill Computer Museum in Austin. It was discovered about half-way through the Goodwill computer recycling process, and despite our best efforts, we were unable to locate some of the pieces.
In particular, it is missing the case and the dress front panel, which I am hoping I can purchase from Grant. I believe we can source the rest of the parts we need (switches, hardware, etc.) from other suppliers. We have a Rev 0 original CPU board, four 4K dynamic memory boards (does anyone have schematics for that board?), and a 3P+S I/O board (I also need the schematic for this one). The chassis is fully loaded with what appear to be factory-built bus cards. Interestingly, in a modification I haven't seen described anywhere, it has had a voltage regulator added to the output of the +8V A supply. |
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